1. Department of Obstetrics and GynaecologyThe Chinese University of Hong Kong Hong Kong SAR
2. Department of Obstetrics and GynecologyUniversity of Chicago Chicago IL USA
3. Department of Medicine and Surgery, Obstetrics and Gynecology Unit, University of Parma Parma Italy
4. Department of Obstetrics and GynecologyStavanger University Hospital Stavanger Norway
5. Therapy Ultrasound, Division of Radiotherapy & Imaging, Joint Department of Physics, Royal Marsden HospitalInstitute of Cancer Research Surrey UK
6. Department of Obstetrics and Gynecology (Emeritus), Lund UniversityUniversity Hospital Lund Sweden
7. Department of Obstetrics and GynecologyMedical University of Innsbruck Innsbruck Austria
8. Ultrasound and Underwater Acoustics, National Physical Laboratory, Teddington UK
9. Discipline of Infectious Diseases & Immunology, Faculty of Medicine and HealthThe University of Sydney; and Australasian Society for Ultrasound in Medicine (ASUM), NSW Australia
10. School of Dentistry & Health Sciences, Charles Sturt University; and Australasian Society for Ultrasound in Medicine (ASUM) Sydney NSW Australia
11. Department of Obstetrics and GynecologyUniversity of Florida College of Medicine Gainesville FL USA
12. Imperial College School of MedicineImperial College London London UK